HEADER VIRAL PROTEIN 21-JAN-24 8XZB TITLE THE STRUCTURE OF FOX ACE2 AND SARS-COV RBD COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANGIOTENSIN-CONVERTING ENZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FOX ACE2; COMPND 5 EC: 3.4.-.-; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: SPIKE PROTEIN S1; COMPND 9 CHAIN: C; COMPND 10 FRAGMENT: RBD; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VULPES VULPES; SOURCE 3 ORGANISM_COMMON: RED FOX; SOURCE 4 ORGANISM_TAXID: 9627; SOURCE 5 GENE: ACE2; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME-RELATED SOURCE 11 CORONAVIRUS; SOURCE 12 ORGANISM_TAXID: 694009; SOURCE 13 GENE: S, 2; SOURCE 14 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 15 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS FOX ACE2 SARS-COV RBD, VIRAL PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR J.Q.SUN REVDAT 2 24-JUL-24 8XZB 1 JRNL REVDAT 1 03-JUL-24 8XZB 0 JRNL AUTH J.CHEN,J.SUN,Z.XU,L.LI,X.KANG,C.LUO,Q.WANG,X.GUO,Y.LI,K.LIU, JRNL AUTH 2 Y.WU JRNL TITL THE BINDING AND STRUCTURAL BASIS OF FOX ACE2 TO RBDS FROM JRNL TITL 2 DIFFERENT SARBECOVIRUSES. JRNL REF VIROL SIN 2024 JRNL REFN ISSN 1995-820X JRNL PMID 38866203 JRNL DOI 10.1016/J.VIRS.2024.06.004 REMARK 2 REMARK 2 RESOLUTION. 3.12 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.120 REMARK 3 NUMBER OF PARTICLES : 345875 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 8XZB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 23-JAN-24. REMARK 100 THE DEPOSITION ID IS D_1300044533. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : THE STRUCTURE OF FOX ACE2 AND REMARK 245 PT RBD COMPLEX REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 0.01 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 2 REMARK 465 SER A 3 REMARK 465 GLY A 4 REMARK 465 SER A 5 REMARK 465 SER A 6 REMARK 465 TRP A 7 REMARK 465 LEU A 8 REMARK 465 LEU A 9 REMARK 465 LEU A 10 REMARK 465 SER A 11 REMARK 465 LEU A 12 REMARK 465 ALA A 13 REMARK 465 ALA A 14 REMARK 465 LEU A 15 REMARK 465 THR A 16 REMARK 465 ALA A 17 REMARK 465 ALA A 18 REMARK 465 ARG C 306 REMARK 465 VAL C 307 REMARK 465 VAL C 308 REMARK 465 PRO C 309 REMARK 465 SER C 310 REMARK 465 GLY C 311 REMARK 465 ASP C 312 REMARK 465 VAL C 313 REMARK 465 VAL C 314 REMARK 465 ARG C 315 REMARK 465 PHE C 316 REMARK 465 PRO C 317 REMARK 465 ASN C 318 REMARK 465 ILE C 319 REMARK 465 THR C 320 REMARK 465 GLY C 512 REMARK 465 PRO C 513 REMARK 465 LYS C 514 REMARK 465 LEU C 515 REMARK 465 SER C 516 REMARK 465 THR C 517 REMARK 465 ASP C 518 REMARK 465 LEU C 519 REMARK 465 ILE C 520 REMARK 465 LYS C 521 REMARK 465 ASN C 522 REMARK 465 GLN C 523 REMARK 465 CYS C 524 REMARK 465 VAL C 525 REMARK 465 ASN C 526 REMARK 465 PHE C 527 REMARK 465 HIS C 528 REMARK 465 HIS C 529 REMARK 465 HIS C 530 REMARK 465 HIS C 531 REMARK 465 HIS C 532 REMARK 465 HIS C 533 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASN A 195 1.73 83.68 REMARK 500 PRO A 258 -74.49 -44.01 REMARK 500 ASP A 338 -128.59 59.33 REMARK 500 TYR C 352 -8.67 84.04 REMARK 500 ALA C 371 -4.54 82.68 REMARK 500 ASN C 457 72.73 -110.43 REMARK 500 PHE C 460 142.17 69.85 REMARK 500 SER C 461 133.84 175.41 REMARK 500 PRO C 469 -80.66 -112.67 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 701 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 374 NE2 REMARK 620 2 HIS A 378 NE2 97.6 REMARK 620 3 GLU A 402 OE2 101.8 104.1 REMARK 620 N 1 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-38792 RELATED DB: EMDB REMARK 900 THE STRUCTURE OF FOX ACE2 AND SARS-COV RBD COMPLEX DBREF1 8XZB A 2 614 UNP A0A3Q7RAT9_VULVU DBREF2 8XZB A A0A3Q7RAT9 1 613 DBREF 8XZB C 306 527 UNP P59594 SPIKE_SARS 306 527 SEQADV 8XZB HIS C 528 UNP P59594 EXPRESSION TAG SEQADV 8XZB HIS C 529 UNP P59594 EXPRESSION TAG SEQADV 8XZB HIS C 530 UNP P59594 EXPRESSION TAG SEQADV 8XZB HIS C 531 UNP P59594 EXPRESSION TAG SEQADV 8XZB HIS C 532 UNP P59594 EXPRESSION TAG SEQADV 8XZB HIS C 533 UNP P59594 EXPRESSION TAG SEQRES 1 A 613 MET SER GLY SER SER TRP LEU LEU LEU SER LEU ALA ALA SEQRES 2 A 613 LEU THR ALA ALA GLN SER THR GLU ASP LEU VAL ASN THR SEQRES 3 A 613 PHE LEU GLU LYS PHE ASN TYR GLU ALA GLU GLU LEU SER SEQRES 4 A 613 TYR GLN SER SER LEU ALA SER TRP ASP TYR ASN THR ASN SEQRES 5 A 613 ILE SER ASP GLU ASN VAL GLN LYS MET ASN ASN ALA GLY SEQRES 6 A 613 ALA LYS TRP SER ALA PHE TYR GLU GLU GLN SER LYS LEU SEQRES 7 A 613 ALA LYS THR TYR PRO LEU GLU GLU ILE GLN ASP SER THR SEQRES 8 A 613 VAL LYS ARG GLN LEU ARG ALA LEU GLN HIS SER GLY SER SEQRES 9 A 613 SER VAL LEU SER ALA ASP LYS ASN GLN ARG LEU ASN THR SEQRES 10 A 613 ILE LEU ASN SER MET SER THR ILE TYR SER THR GLY LYS SEQRES 11 A 613 ALA CYS ASN PRO SER ASN PRO GLN GLU CYS LEU LEU LEU SEQRES 12 A 613 GLU PRO GLY LEU ASP ASP ILE MET GLU ASN SER LYS ASP SEQRES 13 A 613 TYR ASN GLU ARG LEU TRP ALA TRP GLU GLY TRP ARG SER SEQRES 14 A 613 GLU VAL GLY LYS GLN LEU ARG PRO LEU TYR GLU GLU TYR SEQRES 15 A 613 VAL ALA LEU LYS ASN GLU MET ALA ARG ALA ASN ASN TYR SEQRES 16 A 613 GLU ASP TYR GLY ASP TYR TRP ARG GLY ASP TYR GLU GLU SEQRES 17 A 613 GLU TRP GLU ASN GLY TYR ASN TYR SER ARG ASN GLN LEU SEQRES 18 A 613 ILE ASP ASP VAL GLU HIS THR PHE THR GLN ILE MET PRO SEQRES 19 A 613 LEU TYR GLN HIS LEU HIS ALA TYR VAL ARG THR LYS LEU SEQRES 20 A 613 MET ASP THR TYR PRO SER TYR ILE SER PRO THR GLY CYS SEQRES 21 A 613 LEU PRO ALA HIS LEU LEU GLY ASP MET TRP GLY ARG PHE SEQRES 22 A 613 TRP THR ASN LEU TYR PRO LEU THR VAL PRO PHE GLY GLN SEQRES 23 A 613 LYS PRO ASN ILE ASP VAL THR ASN ALA MET VAL ASN GLN SEQRES 24 A 613 SER TRP ASP ALA ARG LYS ILE PHE LYS GLU ALA GLU LYS SEQRES 25 A 613 PHE PHE VAL SER VAL GLY LEU PRO ASN MET THR GLN GLY SEQRES 26 A 613 PHE TRP GLU ASN SER MET LEU THR GLU PRO SER ASP SER SEQRES 27 A 613 ARG LYS VAL VAL CYS HIS PRO THR ALA TRP ASP LEU GLY SEQRES 28 A 613 LYS GLY ASP PHE ARG ILE LYS MET CYS THR LYS VAL THR SEQRES 29 A 613 MET ASP ASP PHE LEU THR ALA HIS HIS GLU MET GLY HIS SEQRES 30 A 613 ILE GLN TYR ASP MET ALA TYR ALA ALA GLN PRO PHE LEU SEQRES 31 A 613 LEU ARG ASN GLY ALA ASN GLU GLY PHE HIS GLU ALA VAL SEQRES 32 A 613 GLY GLU ILE MET SER LEU SER ALA ALA THR PRO ASN HIS SEQRES 33 A 613 LEU LYS ASN ILE GLY LEU LEU PRO PRO SER PHE PHE GLU SEQRES 34 A 613 ASP SER GLU THR GLU ILE ASN PHE LEU LEU LYS GLN ALA SEQRES 35 A 613 LEU THR ILE VAL GLY THR LEU PRO PHE THR TYR MET LEU SEQRES 36 A 613 GLU LYS TRP ARG TRP MET VAL PHE LYS GLY GLU ILE PRO SEQRES 37 A 613 LYS ASP GLN TRP MET LYS THR TRP TRP GLU MET LYS ARG SEQRES 38 A 613 ASN ILE VAL GLY VAL VAL GLU PRO VAL PRO HIS ASP GLU SEQRES 39 A 613 THR TYR CYS ASP PRO ALA SER LEU PHE HIS VAL ALA ASN SEQRES 40 A 613 ASP TYR SER PHE ILE ARG TYR TYR THR ARG THR ILE TYR SEQRES 41 A 613 GLN PHE GLN PHE GLN GLU ALA LEU CYS GLN ILE ALA LYS SEQRES 42 A 613 HIS GLU GLY PRO LEU HIS LYS CYS ASP ILE SER ASN SER SEQRES 43 A 613 SER GLU ALA GLY GLN LYS LEU LEU GLU MET LEU LYS LEU SEQRES 44 A 613 GLY LYS SER LYS PRO TRP THR TYR ALA LEU GLU ILE VAL SEQRES 45 A 613 VAL GLY ALA LYS ASN MET ASP VAL ARG PRO LEU LEU ASN SEQRES 46 A 613 TYR PHE GLU PRO LEU PHE THR TRP LEU LYS GLU GLN ASN SEQRES 47 A 613 ARG ASN SER PHE VAL GLY TRP ASN THR ASP TRP SER PRO SEQRES 48 A 613 TYR ALA SEQRES 1 C 228 ARG VAL VAL PRO SER GLY ASP VAL VAL ARG PHE PRO ASN SEQRES 2 C 228 ILE THR ASN LEU CYS PRO PHE GLY GLU VAL PHE ASN ALA SEQRES 3 C 228 THR LYS PHE PRO SER VAL TYR ALA TRP GLU ARG LYS LYS SEQRES 4 C 228 ILE SER ASN CYS VAL ALA ASP TYR SER VAL LEU TYR ASN SEQRES 5 C 228 SER THR PHE PHE SER THR PHE LYS CYS TYR GLY VAL SER SEQRES 6 C 228 ALA THR LYS LEU ASN ASP LEU CYS PHE SER ASN VAL TYR SEQRES 7 C 228 ALA ASP SER PHE VAL VAL LYS GLY ASP ASP VAL ARG GLN SEQRES 8 C 228 ILE ALA PRO GLY GLN THR GLY VAL ILE ALA ASP TYR ASN SEQRES 9 C 228 TYR LYS LEU PRO ASP ASP PHE MET GLY CYS VAL LEU ALA SEQRES 10 C 228 TRP ASN THR ARG ASN ILE ASP ALA THR SER THR GLY ASN SEQRES 11 C 228 TYR ASN TYR LYS TYR ARG TYR LEU ARG HIS GLY LYS LEU SEQRES 12 C 228 ARG PRO PHE GLU ARG ASP ILE SER ASN VAL PRO PHE SER SEQRES 13 C 228 PRO ASP GLY LYS PRO CYS THR PRO PRO ALA LEU ASN CYS SEQRES 14 C 228 TYR TRP PRO LEU ASN ASP TYR GLY PHE TYR THR THR THR SEQRES 15 C 228 GLY ILE GLY TYR GLN PRO TYR ARG VAL VAL VAL LEU SER SEQRES 16 C 228 PHE GLU LEU LEU ASN ALA PRO ALA THR VAL CYS GLY PRO SEQRES 17 C 228 LYS LEU SER THR ASP LEU ILE LYS ASN GLN CYS VAL ASN SEQRES 18 C 228 PHE HIS HIS HIS HIS HIS HIS HET ZN A 701 1 HETNAM ZN ZINC ION FORMUL 3 ZN ZN 2+ HELIX 1 AA1 SER A 20 ASN A 53 1 34 HELIX 2 AA2 SER A 55 THR A 82 1 28 HELIX 3 AA3 ASP A 90 HIS A 102 1 13 HELIX 4 AA4 SER A 109 GLY A 130 1 22 HELIX 5 AA5 GLY A 147 SER A 155 1 9 HELIX 6 AA6 ASP A 157 ASN A 194 1 38 HELIX 7 AA7 ASP A 198 GLY A 205 1 8 HELIX 8 AA8 SER A 218 TYR A 252 1 35 HELIX 9 AA9 HIS A 265 GLY A 268 5 4 HELIX 10 AB1 TRP A 275 ASN A 277 5 3 HELIX 11 AB2 LEU A 278 VAL A 283 1 6 HELIX 12 AB3 VAL A 293 GLN A 300 1 8 HELIX 13 AB4 ASP A 303 GLY A 319 1 17 HELIX 14 AB5 THR A 324 SER A 331 1 8 HELIX 15 AB6 THR A 365 TYR A 385 1 21 HELIX 16 AB7 ASN A 397 THR A 414 1 18 HELIX 17 AB8 THR A 414 GLY A 422 1 9 HELIX 18 AB9 ASP A 431 GLY A 466 1 36 HELIX 19 AC1 PRO A 469 ASP A 471 5 3 HELIX 20 AC2 GLN A 472 VAL A 485 1 14 HELIX 21 AC3 CYS A 498 LEU A 503 1 6 HELIX 22 AC4 LEU A 503 ASN A 508 1 6 HELIX 23 AC5 PHE A 512 LYS A 534 1 23 HELIX 24 AC6 SER A 547 GLY A 561 1 15 HELIX 25 AC7 PRO A 565 GLY A 575 1 11 HELIX 26 AC8 VAL A 581 PHE A 588 1 8 HELIX 27 AC9 PHE A 588 SER A 602 1 15 HELIX 28 AD1 PHE C 325 ASN C 330 1 6 HELIX 29 AD2 TYR C 352 SER C 358 1 7 HELIX 30 AD3 ASP C 392 ARG C 395 5 4 HELIX 31 AD4 VAL C 404 ASN C 409 1 6 HELIX 32 AD5 THR C 425 ALA C 430 1 6 SHEET 1 AA1 2 LYS A 131 CYS A 133 0 SHEET 2 AA1 2 CYS A 141 LEU A 143 -1 O LEU A 142 N ALA A 132 SHEET 1 AA2 2 LEU A 262 PRO A 263 0 SHEET 2 AA2 2 VAL A 487 VAL A 488 1 O VAL A 488 N LEU A 262 SHEET 1 AA3 2 THR A 347 GLY A 352 0 SHEET 2 AA3 2 ASP A 355 LYS A 359 -1 O ARG A 357 N TRP A 349 SHEET 1 AA4 5 GLU C 341 ILE C 345 0 SHEET 2 AA4 5 SER C 380 LYS C 390 -1 O ALA C 384 N LYS C 343 SHEET 3 AA4 5 PRO C 493 GLU C 502 -1 O VAL C 498 N ASP C 385 SHEET 4 AA4 5 CYS C 419 ASN C 424 -1 N LEU C 421 O VAL C 497 SHEET 5 AA4 5 THR C 363 LYS C 365 -1 N LYS C 365 O VAL C 420 SHEET 1 AA5 2 LYS C 439 ARG C 441 0 SHEET 2 AA5 2 LEU C 478 ASP C 480 -1 O ASN C 479 N TYR C 440 SSBOND 1 CYS A 530 CYS A 542 1555 1555 2.65 LINK NE2 HIS A 374 ZN ZN A 701 1555 1555 2.07 LINK NE2 HIS A 378 ZN ZN A 701 1555 1555 2.06 LINK OE2 GLU A 402 ZN ZN A 701 1555 1555 1.94 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000